One thing I might point out. The whole level of observation I have been trying to express is only applicably if you actually caused the problem working with the fuel distributor. If I were evaluating such an issue in the shop it would have taken about one tenth as long to make these judgements and moved on than it took to write this.

I point that out because this wild goose wouldn't waste much of my time chasing, if the problem is totally in another area. What I have described is a simple efficient way of getting to a proper mixture in an otherwise working fuel system. It won't make up for deficient fuel pressure or any manner of flow restriction in the individual injector streams. it definitely won't help if the problem is ignition.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician